Comments + Metal using SetTexID(0) for consistency.

backends/imgui_impl_metal.mm

@@ -344,7 +344,7 @@ void ImGui_ImplMetal_DestroyFontsTexture()
     ImGui_ImplMetal_Data* bd = ImGui_ImplMetal_GetBackendData();
     ImGuiIO& io = ImGui::GetIO();
     bd->SharedMetalContext.fontTexture = nil;
-    io.Fonts->SetTexID(nullptr);
+    io.Fonts->SetTexID(0);
 }
 
 bool ImGui_ImplMetal_CreateDeviceObjects(id<MTLDevice> device)

backends/imgui_impl_sdl2.cpp

@@ -18,7 +18,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2023-04-06: Inputs: Avoid callng SDL_StartTextInput()/SDL_StopTextInput() as they don't only pertain to IME. It's unclear exactly what their relation is to IME. (#6306)
+//  2023-04-06: Inputs: Avoid calling SDL_StartTextInput()/SDL_StopTextInput() as they don't only pertain to IME. It's unclear exactly what their relation is to IME. (#6306)
 //  2023-04-04: Inputs: Added support for io.AddMouseSourceEvent() to discriminate ImGuiMouseSource_Mouse/ImGuiMouseSource_TouchScreen. (#2702)
 //  2023-02-23: Accept SDL_GetPerformanceCounter() not returning a monotonically increasing value. (#6189, #6114, #3644)
 //  2023-02-07: Implement IME handler (io.SetPlatformImeDataFn will call SDL_SetTextInputRect()/SDL_StartTextInput()).

backends/imgui_impl_sdl3.cpp

@@ -19,7 +19,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2023-04-06: Inputs: Avoid callng SDL_StartTextInput()/SDL_StopTextInput() as they don't only pertain to IME. It's unclear exactly what their relation is to IME. (#6306)
+//  2023-04-06: Inputs: Avoid calling SDL_StartTextInput()/SDL_StopTextInput() as they don't only pertain to IME. It's unclear exactly what their relation is to IME. (#6306)
 //  2023-04-04: Inputs: Added support for io.AddMouseSourceEvent() to discriminate ImGuiMouseSource_Mouse/ImGuiMouseSource_TouchScreen. (#2702)
 //  2023-02-23: Accept SDL_GetPerformanceCounter() not returning a monotonically increasing value. (#6189, #6114, #3644)
 //  2023-02-07: Forked "imgui_impl_sdl2" into "imgui_impl_sdl3". Removed version checks for old feature. Refer to imgui_impl_sdl2.cpp for older changelog.

docs/CHANGELOG.txt

@@ -80,7 +80,7 @@ Other changes:
 - Backends: Win32: Added support for io.AddMouseSourceEvent() to discriminate Mouse/TouchScreen/Pen. (#2334, #2702)
 - Backends: SDL2/SDL3: Added support for io.AddMouseSourceEvent() to discriminate Mouse/TouchScreen.
   This is relying on SDL passing SDL_TOUCH_MOUSEID in the event's 'which' field. (#2334, #2702)
-- Backends: SDL2/SDL3: Avoid callng SDL_StartTextInput()/SDL_StopTextInput() as they actually
+- Backends: SDL2/SDL3: Avoid calling SDL_StartTextInput()/SDL_StopTextInput() as they actually
   block text input input and don't only pertain to IME. It's unclear exactly what their relation
   is to other IME function such as SDL_SetTextInputRect(). (#6306, #6071, #1953)
 - Backends: GLFW: Added support on Win32 only for io.AddMouseSourceEvent() to discriminate

imgui.cpp

@@ -3249,6 +3249,9 @@ void ImGui::RenderTextWrapped(ImVec2 pos, const char* text, const char* text_end
 
 // Default clip_rect uses (pos_min,pos_max)
 // Handle clipping on CPU immediately (vs typically let the GPU clip the triangles that are overlapping the clipping rectangle edges)
+// FIXME-OPT: Since we have or calculate text_size we could coarse clip whole block immediately, especally for text above draw_list->DrawList.
+// Effectively as this is called from widget doing their own coarse clipping it's not very valuable presently. Next time function will take
+// better advantage of the render function taking size into account for coarse clipping.
 void ImGui::RenderTextClippedEx(ImDrawList* draw_list, const ImVec2& pos_min, const ImVec2& pos_max, const char* text, const char* text_display_end, const ImVec2* text_size_if_known, const ImVec2& align, const ImRect* clip_rect)
 {
     // Perform CPU side clipping for single clipped element to avoid using scissor state